1101222112 has 12 divisors (see below), whose sum is σ = 2168031096. Its totient is φ = 550611040.

The previous prime is 1101222103. The next prime is 1101222119. The reversal of 1101222112 is 2112221011.

It is a junction number, because it is equal to n+sod(n) for n = 1101222092 and 1101222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101222119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17206564 + ... + 17206627.

It is an arithmetic number, because the mean of its divisors is an integer number (180669258).

Almost surely, 2^1101222112 is an apocalyptic number.

It is an amenable number.

1101222112 is a deficient number, since it is larger than the sum of its proper divisors (1066808984).

1101222112 is an equidigital number, since it uses as much as digits as its factorization.

1101222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34413201 (or 34413193 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1101222112 is about 33184.6668206869. Note that the first 3 decimals coincide. The cubic root of 1101222112 is about 1032.6622654569.

Adding to 1101222112 its reverse (2112221011), we get a palindrome (3213443123).

It can be divided in two parts, 11012 and 22112, that added together give a square (33124 = 182²).

The spelling of 1101222112 in words is "one billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".